package com.von.eduservice.controller;



import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.von.commonutils.R;

import com.von.eduservice.entity.EduTeacher;
import com.von.eduservice.entity.vo.TeacherQuery;
import com.von.eduservice.service.EduTeacherService;
import com.von.servicebase.exceptionhandler.GuliException;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.annotation.Id;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import java.sql.Wrapper;
import java.util.List;

/**
 * <p>
 * 讲师 前端控制器
 * </p>
 *
 * @author testjava
 * @since 2020-05-09
 */
@Api(description = "讲师管理")
@RestController
@RequestMapping("/eduservice/edu-teacher")
@CrossOrigin
public class EduTeacherController {

    @Autowired
    private EduTeacherService teacherService;

    //1.查询讲师表所有数据
    //rest风格
    @ApiOperation(value = "所有讲师列表")
    @GetMapping("findAll")
    public R findAllTeacher(){
        List<EduTeacher> list = teacherService.list(null);
        return R.ok().data("items",list);
    }


    @ApiOperation(value = "逻辑删除讲师")
    @DeleteMapping("{id}")
    public R removeTeacher(
            @ApiParam(name = "id", value = "讲师ID", required = true)
            @PathVariable("id") String id){
        boolean flag = teacherService.removeById(id);
        if(true){
           return R.ok();
        } else{
           return R.error();
        }

    }

    //3 分页查询讲师
    @GetMapping("pageTeacher/{current}/{limit}")
    public R pageListTeacher(@PathVariable long current,
                             @PathVariable long limit){
        //创建page对象
        Page<EduTeacher> pageTeacher = new Page<>(current,limit);
        teacherService.page(pageTeacher,null);

        try {
            int i = 10/0;
        } catch (Exception e) {
            throw new GuliException(20001,"执行了自定义异常处理");
        }
        long total = pageTeacher.getTotal();
        List<EduTeacher> records = pageTeacher.getRecords();

        return R.ok().data("total",total).data("rows",records);
    }

    /**
     * 分页条件查询
     * @param current
     * @param id
     * @param teacherQuery
     * @return
     */
    @PostMapping("pageTeacherCondition/{current}/{id}")
    public R pageTeacherCondition(@PathVariable long current,
                                  @PathVariable long id,
                                  @RequestBody(required = false) TeacherQuery teacherQuery){
        Page<EduTeacher> pageTeacher = new Page<>(current,id);
        QueryWrapper<EduTeacher> wrapper = new QueryWrapper<>();
        //多条件组合查询
        String name = teacherQuery.getName();
        Integer level = teacherQuery.getLevel();
        String begin = teacherQuery.getBegin();
        String end = teacherQuery.getEnd();
        if(!StringUtils.isEmpty(name)){
            wrapper.like("name",name);
        } if(!StringUtils.isEmpty(level)){
            wrapper.eq("level",level);
        } if(!StringUtils.isEmpty(begin)){
            wrapper.ge("gmt_create",begin);
        } if(!StringUtils.isEmpty(end)){
            wrapper.le("gmt_create",end);
        }

        wrapper.orderByDesc("gmt_create");
        //调用方法查询分页
        teacherService.page(pageTeacher,wrapper);
        long total = pageTeacher.getTotal();
        List<EduTeacher> records = pageTeacher.getRecords();
        return R.ok().data("total",total).data("rows",records);
    }

    /**
     * 添加讲师的接口
     */
    @PostMapping("addTeacher")
    public R addTeacher(@RequestBody EduTeacher eduTeacher){
        boolean save = teacherService.save(eduTeacher);
        if(save){
            return R.ok();
        } else {
            return R.error();
        }
    }

    /**
     * 根据讲师ID查询
     */
    @GetMapping("getTeacher/{id}")
    public R getTeacher(@PathVariable String id){
        EduTeacher teacher = teacherService.getById(id);
        return R.ok().data("teacher",teacher);
    }

    /**
     * 讲师修改功能
     */
    @PostMapping("updateTeacher")
    public R updateTeacher(@RequestBody EduTeacher eduTeacher){
        boolean flag = teacherService.updateById(eduTeacher);
        if(flag){
            return R.ok();
        } else {
            return R.error();
        }
    }
}

